Thermapen ONE Blue

The Thermapen ONE Blue is a professional Bluetooth thermometer that combines speed, precision, and digital connectivity. With this thermometer, you can wirelessly sync your measurements to a smartphone or tablet via Bluetooth—ideal for HACCP logging, the hospitality industry, catering, or food safety management. 

With the updated Thermapen ONE Blue, HACCP compliance is easier than ever. Thanks to the display of item names, upper and lower limits, and feedback on pass/fail results on the screen, users can complete checklists accurately and with confidence. Please note that these features are only available in conjunction with the latest SDK.

Hygienic design

A hygienic thermometer probe is essential for food service businesses. The housing of the Thermapen ONE Bluetooth thermometer features Polygiene BioMaster product protection to reduce bacterial growth. The thermometer is also fully waterproof (IP67), allowing it to be submerged in water for thorough cleaning.

Foldable probe

Foldable instant-read thermometers are ideal for protecting the probe from damage and make it easy to keep the thermometer handy all day long. This Bluetooth food thermometer features a slim, stainless-steel probe that rotates 180° and folds into the side of the unit for safe storage.

How to Use the Thermapen ONE Bluetooth Thermometer

To use the Thermapen ONE Bluetooth thermometer, simply pair it with your device (iOS or Android), insert the probe into the item you want to measure, and press the button to send the temperature data. The thermometer displays "PASS" or "FAIL" depending on whether the measured temperature falls within the product's set limits. View and manage your temperature readings using the accompanying software.

Why choose this thermometer?

The Thermapen ONE Blue combines professional measurement performance with modern connectivityin a single device: from lightning-fast readings to Bluetooth data transfer for digital HACCP logs. No more hassle with manual notes—send your data directly to your app or management software and easily keep track of temperature checks. 

Whether you work in the hospitality industry, catering, or food safety, this thermometer is designed to help you work faster, smarter, and more hygienically without compromising the quality of your measurements.

Install the ThermaData Hub app for checklists and measurements:

Create HACCP checklists using the ThermaData Hub PC software and fill them out in the mobile app.
Fill out custom HACCP checklists
No installation required
Add notes and corrective actions to measurements
View measurements in the app
Send results to Windows software for Excel and PDF reports

Product Features: Thermapen ONE Blue Thermometer

Temperature range: -49.9 to +299.9 °C
Resolution: 0 .1 °C
Accuracy: ±0 .3 °C (-19.9 to 119.9 °C), ±0.4 °C (-49.9 to 199.9 °C), otherwise ±1 °C
Bluetooth® module: BLE 5.0
Battery: 1 × AAA (±500 hours without backlight)
Sensor: Type K thermocouple
Display: Clear LCD screen
Dimensions: approx . 19 × 50 × 157 mm
Weight: approx. 115 g
Water/dust resistance: IP67
Certificate: Includes traceable calibration certificate
Protection: Includes protective case

The Thermapen® ONE Blue is designed to pair seamlessly with the SmartSense mobile app and can be set up in just a few minutes. With a response time of three seconds to stabilize, the probe provides fast temperature readings between -58°F and 572°F, including visual feedback.